1 files changed, 11 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 3532b535698a..7320f3685523 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1637,6 +1637,11 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
         /* Wire up PHB bus resources */
         pcibios_setup_phb_resources(hose, &resources);
 
+        hose->busn.start = hose->first_busno;
+        hose->busn.end   = hose->last_busno;
+        hose->busn.flags = IORESOURCE_BUS;
+        pci_add_resource(&resources, &hose->busn);
+
         /* Create an empty bus for the toplevel */
         bus = pci_create_root_bus(hose->parent, hose->first_busno,
                                   hose->ops, hose, &resources);
@@ -1646,7 +1651,6 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
                 pci_free_resource_list(&resources);
                 return;
         }
-        bus->busn_res.start = hose->first_busno;
         hose->bus = bus;
 
         /* Get probe mode and perform scan */
@@ -1654,13 +1658,14 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose)
         if (node && ppc_md.pci_probe_mode)
                 mode = ppc_md.pci_probe_mode(bus);
         pr_debug("    probe mode: %d\n", mode);
-        if (mode == PCI_PROBE_DEVTREE) {
-                bus->busn_res.end = hose->last_busno;
+        if (mode == PCI_PROBE_DEVTREE)
                 of_scan_bus(node, bus);
-        }
 
-        if (mode == PCI_PROBE_NORMAL)
-                hose->last_busno = bus->busn_res.end = pci_scan_child_bus(bus);
+        if (mode == PCI_PROBE_NORMAL) {
+                pci_bus_update_busn_res_end(bus, 255);
+                hose->last_busno = pci_scan_child_bus(bus);
+                pci_bus_update_busn_res_end(bus, hose->last_busno);
+        }
 
         /* Platform gets a chance to do some global fixups before
          * we proceed to resource allocation